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1 # Make bison/src.
2
3 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
4
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
9 #
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
19 AM_CPPFLAGS = -I$(top_srcdir)/lib
20 BISON = ../tests/bison
21 # Use our own Bison to build the parser. Of course, you ought to
22 # keep a sane version of Bison nearby...
23 YACC = $(BISON) -y
24 AM_YFLAGS = -d -v --warnings=all,error --report=all
25
26 LDADD = ../lib/libbison.a $(LIBINTL)
27
28 bin_PROGRAMS = bison
29 bin_SCRIPTS = $(YACC_SCRIPT)
30 EXTRA_SCRIPTS = yacc
31
32 bison_SOURCES = \
33 AnnotationList.c AnnotationList.h \
34 InadequacyList.c InadequacyList.h \
35 LR0.c LR0.h \
36 Sbitset.c Sbitset.h \
37 assoc.c assoc.h \
38 closure.c closure.h \
39 complain.c complain.h \
40 conflicts.c conflicts.h \
41 derives.c derives.h \
42 files.c files.h \
43 flex-scanner.h \
44 getargs.c getargs.h \
45 gram.c gram.h \
46 lalr.h lalr.c \
47 ielr.h ielr.c \
48 location.c location.h \
49 main.c \
50 muscle-tab.c muscle-tab.h \
51 named-ref.c named-ref.h \
52 nullable.c nullable.h \
53 output.c output.h \
54 parse-gram.y \
55 print.c print.h \
56 print_graph.c print_graph.h \
57 print-xml.c print-xml.h \
58 reader.c reader.h \
59 reduce.c reduce.h \
60 relation.c relation.h \
61 scan-code.h scan-code-c.c \
62 scan-gram.h scan-gram-c.c \
63 scan-skel.h scan-skel-c.c \
64 state.c state.h \
65 symlist.c symlist.h \
66 symtab.c symtab.h \
67 system.h \
68 tables.h tables.c \
69 uniqstr.c uniqstr.h \
70 graphviz.c graphviz.h
71
72 EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l
73
74 BUILT_SOURCES = \
75 parse-gram.c parse-gram.h \
76 scan-code.c \
77 scan-skel.c \
78 scan-gram.c
79
80 MOSTLYCLEANFILES = yacc
81
82 yacc:
83 $(AM_V_GEN)echo '#! /bin/sh' >$@
84 $(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
85 $(AM_V_at)chmod a+x $@
86
87
88 # The following rule is not designed to be portable,
89 # and relies on tools that not everyone has.
90
91 # Most functions in src/*.c should have static scope.
92 # Any that don't must be marked with `extern', but `main'
93 # and `usage' are exceptions. They're always extern, but
94 # don't need to be marked.
95 #
96 # The second nm|grep checks for file-scope variables with `extern' scope.
97 sc_tight_scope: $(all_programs)
98 @t=exceptions-$$$$; \
99 trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15; \
100 ( printf '^main$$\n^usage$$\n'; \
101 grep -h -A1 '^extern .*[^;]$$' $(SOURCES) \
102 | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
103 if nm -e *.$(OBJEXT) \
104 | sed -n 's/.* T //p' \
105 | grep -Ev -f $$t; then \
106 echo 'the above functions should have static scope' 1>&2; \
107 exit 1; \
108 fi; \
109 ( printf '^program_name$$\n'; \
110 sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
111 $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t; \
112 if nm -e *.$(OBJEXT) \
113 | sed -n 's/.* [BD] //p' \
114 | grep -Ev -f $$t; then \
115 echo 'the above variables should have static scope' 1>&2; \
116 exit 1; \
117 fi